| Acronym | Meaning |
| PAC | Polar Atmospheric Chemistry |
| STERAO | Stratosphere-Troposphere Experiments |
| ADI | Acceptable Daily Intake |
| CCRI | Climate Change Research Initiative |
| UT | Universal Time |
| SLIP | Serial Line Internet Protocol |
| ADPE | Automatic Data Processing Equipment Or ADP Equipment |
| LEDA | On-line Earthnet Data Access |
| BCS | Bardeen-Cooper-Schrieffer |
| HAO | High Altitude Observatory |